#include <bits/stdc++.h>
using namespace std;
typedef long long LL;;
LL r, c, n;
vector<pair<LL,LL> > seeds;
const LL INF = 3100100100;
LL best = INF;
set<pair<LL,LL> > tried;
void tryx(LL x, LL startx){
if(x < 0 || tried.find({x,startx}) != tried.end()){
return;
}
tried.insert({x,startx});
vector<LL> stuff[r + x];
for(pair<LL,LL> z : seeds){
for(LL j = 0; j <= x; j++){
stuff[j + z.first].push_back(z.second);
}
}
vector<LL> up(r+x, 0);
vector<LL> down(r+x, 0);
vector<LL> tot(r+x, 0);
for(LL j = 0; j < r+x; j++){
vector<LL> grass = stuff[j];
sort(grass.begin(), grass.end());
if(grass.size() == 0){
up[j] = down[j] = tot[j] = INF;
} else {
up[j] = grass[0] - 0;
down[j] = c-1 - grass[grass.size()-1];
for(LL i = 0; i + 1 < grass.size(); i++){
tot[j] = max(tot[j], grass[i+1] - grass[i] - 1);
}
}
}
LL maxup = 0;
LL maxdown = 0;
LL maxtot = 0;
for(LL i = startx; i < startx + r; i++){
maxup = max(maxup, up[i]);
maxdown = max(maxdown, down[i]);
maxtot = max(maxtot, tot[i]);
}
best = min(best, max(maxup + maxdown, maxtot) + x);
}
int main(){
cin >> r >> c >> n;
for(LL i = 0; i < n; i++){
LL s, e;
cin >> s >> e;
s--; e--;
seeds.push_back({s,e});
}
sort(seeds.begin(), seeds.end());
for(int i = 0; i < n; i++){
for(int j = 0; j < n; j++){
tryx(seeds[i].first + r-1 - seeds[j].first, seeds[i].first);
}
}
cout << best << '\n';
}
Compilation message
cultivation.cpp: In function 'void tryx(LL, LL)':
cultivation.cpp:32:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(LL i = 0; i + 1 < grass.size(); i++){
~~~~~~^~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
248 KB |
Output is correct |
| 2 |
Correct |
3 ms |
356 KB |
Output is correct |
| 3 |
Correct |
2 ms |
560 KB |
Output is correct |
| 4 |
Correct |
2 ms |
560 KB |
Output is correct |
| 5 |
Correct |
3 ms |
560 KB |
Output is correct |
| 6 |
Correct |
3 ms |
560 KB |
Output is correct |
| 7 |
Correct |
2 ms |
560 KB |
Output is correct |
| 8 |
Correct |
3 ms |
688 KB |
Output is correct |
| 9 |
Correct |
2 ms |
688 KB |
Output is correct |
| 10 |
Correct |
19 ms |
688 KB |
Output is correct |
| 11 |
Correct |
2 ms |
688 KB |
Output is correct |
| 12 |
Correct |
2 ms |
688 KB |
Output is correct |
| 13 |
Correct |
2 ms |
688 KB |
Output is correct |
| 14 |
Correct |
3 ms |
688 KB |
Output is correct |
| 15 |
Correct |
2 ms |
688 KB |
Output is correct |
| 16 |
Correct |
3 ms |
688 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
248 KB |
Output is correct |
| 2 |
Correct |
3 ms |
356 KB |
Output is correct |
| 3 |
Correct |
2 ms |
560 KB |
Output is correct |
| 4 |
Correct |
2 ms |
560 KB |
Output is correct |
| 5 |
Correct |
3 ms |
560 KB |
Output is correct |
| 6 |
Correct |
3 ms |
560 KB |
Output is correct |
| 7 |
Correct |
2 ms |
560 KB |
Output is correct |
| 8 |
Correct |
3 ms |
688 KB |
Output is correct |
| 9 |
Correct |
2 ms |
688 KB |
Output is correct |
| 10 |
Correct |
19 ms |
688 KB |
Output is correct |
| 11 |
Correct |
2 ms |
688 KB |
Output is correct |
| 12 |
Correct |
2 ms |
688 KB |
Output is correct |
| 13 |
Correct |
2 ms |
688 KB |
Output is correct |
| 14 |
Correct |
3 ms |
688 KB |
Output is correct |
| 15 |
Correct |
2 ms |
688 KB |
Output is correct |
| 16 |
Correct |
3 ms |
688 KB |
Output is correct |
| 17 |
Correct |
4 ms |
688 KB |
Output is correct |
| 18 |
Correct |
41 ms |
688 KB |
Output is correct |
| 19 |
Correct |
17 ms |
688 KB |
Output is correct |
| 20 |
Correct |
4 ms |
828 KB |
Output is correct |
| 21 |
Correct |
75 ms |
840 KB |
Output is correct |
| 22 |
Correct |
312 ms |
840 KB |
Output is correct |
| 23 |
Correct |
6 ms |
840 KB |
Output is correct |
| 24 |
Correct |
574 ms |
1100 KB |
Output is correct |
| 25 |
Correct |
422 ms |
1100 KB |
Output is correct |
| 26 |
Correct |
995 ms |
1100 KB |
Output is correct |
| 27 |
Correct |
890 ms |
1248 KB |
Output is correct |
| 28 |
Correct |
528 ms |
1248 KB |
Output is correct |
| 29 |
Correct |
846 ms |
1248 KB |
Output is correct |
| 30 |
Correct |
923 ms |
1248 KB |
Output is correct |
| 31 |
Correct |
928 ms |
1248 KB |
Output is correct |
| 32 |
Correct |
874 ms |
1248 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
248 KB |
Output is correct |
| 2 |
Correct |
3 ms |
356 KB |
Output is correct |
| 3 |
Correct |
2 ms |
560 KB |
Output is correct |
| 4 |
Correct |
2 ms |
560 KB |
Output is correct |
| 5 |
Correct |
3 ms |
560 KB |
Output is correct |
| 6 |
Correct |
3 ms |
560 KB |
Output is correct |
| 7 |
Correct |
2 ms |
560 KB |
Output is correct |
| 8 |
Correct |
3 ms |
688 KB |
Output is correct |
| 9 |
Correct |
2 ms |
688 KB |
Output is correct |
| 10 |
Correct |
19 ms |
688 KB |
Output is correct |
| 11 |
Correct |
2 ms |
688 KB |
Output is correct |
| 12 |
Correct |
2 ms |
688 KB |
Output is correct |
| 13 |
Correct |
2 ms |
688 KB |
Output is correct |
| 14 |
Correct |
3 ms |
688 KB |
Output is correct |
| 15 |
Correct |
2 ms |
688 KB |
Output is correct |
| 16 |
Correct |
3 ms |
688 KB |
Output is correct |
| 17 |
Correct |
4 ms |
688 KB |
Output is correct |
| 18 |
Correct |
41 ms |
688 KB |
Output is correct |
| 19 |
Correct |
17 ms |
688 KB |
Output is correct |
| 20 |
Correct |
4 ms |
828 KB |
Output is correct |
| 21 |
Correct |
75 ms |
840 KB |
Output is correct |
| 22 |
Correct |
312 ms |
840 KB |
Output is correct |
| 23 |
Correct |
6 ms |
840 KB |
Output is correct |
| 24 |
Correct |
574 ms |
1100 KB |
Output is correct |
| 25 |
Correct |
422 ms |
1100 KB |
Output is correct |
| 26 |
Correct |
995 ms |
1100 KB |
Output is correct |
| 27 |
Correct |
890 ms |
1248 KB |
Output is correct |
| 28 |
Correct |
528 ms |
1248 KB |
Output is correct |
| 29 |
Correct |
846 ms |
1248 KB |
Output is correct |
| 30 |
Correct |
923 ms |
1248 KB |
Output is correct |
| 31 |
Correct |
928 ms |
1248 KB |
Output is correct |
| 32 |
Correct |
874 ms |
1248 KB |
Output is correct |
| 33 |
Correct |
3 ms |
1248 KB |
Output is correct |
| 34 |
Correct |
505 ms |
1248 KB |
Output is correct |
| 35 |
Correct |
1051 ms |
1248 KB |
Output is correct |
| 36 |
Correct |
934 ms |
1248 KB |
Output is correct |
| 37 |
Correct |
619 ms |
1248 KB |
Output is correct |
| 38 |
Correct |
955 ms |
1248 KB |
Output is correct |
| 39 |
Correct |
935 ms |
1284 KB |
Output is correct |
| 40 |
Correct |
961 ms |
1284 KB |
Output is correct |
| 41 |
Correct |
184 ms |
1284 KB |
Output is correct |
| 42 |
Correct |
632 ms |
1284 KB |
Output is correct |
| 43 |
Correct |
927 ms |
1284 KB |
Output is correct |
| 44 |
Correct |
1075 ms |
1284 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
2 ms |
1284 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
2 ms |
1284 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
248 KB |
Output is correct |
| 2 |
Correct |
3 ms |
356 KB |
Output is correct |
| 3 |
Correct |
2 ms |
560 KB |
Output is correct |
| 4 |
Correct |
2 ms |
560 KB |
Output is correct |
| 5 |
Correct |
3 ms |
560 KB |
Output is correct |
| 6 |
Correct |
3 ms |
560 KB |
Output is correct |
| 7 |
Correct |
2 ms |
560 KB |
Output is correct |
| 8 |
Correct |
3 ms |
688 KB |
Output is correct |
| 9 |
Correct |
2 ms |
688 KB |
Output is correct |
| 10 |
Correct |
19 ms |
688 KB |
Output is correct |
| 11 |
Correct |
2 ms |
688 KB |
Output is correct |
| 12 |
Correct |
2 ms |
688 KB |
Output is correct |
| 13 |
Correct |
2 ms |
688 KB |
Output is correct |
| 14 |
Correct |
3 ms |
688 KB |
Output is correct |
| 15 |
Correct |
2 ms |
688 KB |
Output is correct |
| 16 |
Correct |
3 ms |
688 KB |
Output is correct |
| 17 |
Correct |
4 ms |
688 KB |
Output is correct |
| 18 |
Correct |
41 ms |
688 KB |
Output is correct |
| 19 |
Correct |
17 ms |
688 KB |
Output is correct |
| 20 |
Correct |
4 ms |
828 KB |
Output is correct |
| 21 |
Correct |
75 ms |
840 KB |
Output is correct |
| 22 |
Correct |
312 ms |
840 KB |
Output is correct |
| 23 |
Correct |
6 ms |
840 KB |
Output is correct |
| 24 |
Correct |
574 ms |
1100 KB |
Output is correct |
| 25 |
Correct |
422 ms |
1100 KB |
Output is correct |
| 26 |
Correct |
995 ms |
1100 KB |
Output is correct |
| 27 |
Correct |
890 ms |
1248 KB |
Output is correct |
| 28 |
Correct |
528 ms |
1248 KB |
Output is correct |
| 29 |
Correct |
846 ms |
1248 KB |
Output is correct |
| 30 |
Correct |
923 ms |
1248 KB |
Output is correct |
| 31 |
Correct |
928 ms |
1248 KB |
Output is correct |
| 32 |
Correct |
874 ms |
1248 KB |
Output is correct |
| 33 |
Correct |
3 ms |
1248 KB |
Output is correct |
| 34 |
Correct |
505 ms |
1248 KB |
Output is correct |
| 35 |
Correct |
1051 ms |
1248 KB |
Output is correct |
| 36 |
Correct |
934 ms |
1248 KB |
Output is correct |
| 37 |
Correct |
619 ms |
1248 KB |
Output is correct |
| 38 |
Correct |
955 ms |
1248 KB |
Output is correct |
| 39 |
Correct |
935 ms |
1284 KB |
Output is correct |
| 40 |
Correct |
961 ms |
1284 KB |
Output is correct |
| 41 |
Correct |
184 ms |
1284 KB |
Output is correct |
| 42 |
Correct |
632 ms |
1284 KB |
Output is correct |
| 43 |
Correct |
927 ms |
1284 KB |
Output is correct |
| 44 |
Correct |
1075 ms |
1284 KB |
Output is correct |
| 45 |
Runtime error |
2 ms |
1284 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 46 |
Halted |
0 ms |
0 KB |
- |
